Home / 7,740.99-11,613.24-2,810.63

Finding the Fourth Proportional to 7,740.99, 11,613.24 and 2,810.63

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Solution

The fourth proportional to 7,740.99, 11,613.24 and 2,810.63 is: 4,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.99 : 11,613.24 = 2,810.63 : x
  2. Step 2: Convert to fraction form
    7,740.99/11,613.24 = 2,810.63/x
  3. Step 3: Cross multiply
    7,740.99x = 11,613.24 × 2,810.63
  4. Step 4: Simplify right side
    7,740.99x = 32,640,549.77
  5. Step 5: Solve for x
    x = 32,640,549.77/7,740.99
  6. Step 6: Final answer
    x = 4,216.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.